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Maintenance
11.1 Replacing components of the S7-1500R/H redundant system
S7-1500R/H redundant system
System Manual, 10/2018, A5E41814787-AA
267
11.1.6
Replacing a defective system power supply PS or load power supply PM
Initial situation
A system power supply PS or load power supply PM has failed.
The S7-1500R/H redundant system is in the RUN-Solo system state.
Requirement
Read the information in the section Checking before replacing components (Page 257).
Procedure
Proceed as follows to replace a defective system power supply PS or load power supply PM:
1.
Switch off the mains supply (24 V DC or 230 V AC).
2.
Replace the defective system power supply PS or load power supply PM.
3.
Switch the mains supply back on.
4.
Switch on the replaced system power supply PS or load power supply PM.
Result
1.
The CPU with the replaced system power supply PS or load power supply PM runs
SYNCUP. Requirement: The CPU mode selector is in RUN.
2.
The CPU switches to the RUN-Redundant operating state and operates as backup CPU.
The redundant system is in the RUN-Redundant system state again.
Содержание Simatic S7-1500H
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